Leviticus 15:17-23 details purification for semen emission, including bathing and uncleanness until evening, consistent with Deuteronomy's requirement.

Leviticus 22:6 echoes this same requirement: the unclean person must bathe and wait until evening before entering sacred space.

Luke 11:39 contrasts this external washing with Jesus' rebuke: Pharisees clean the outside but are filthy inside.

Hebrews 9:9 explains that these OT washings were only external regulations, unable to perfect the conscience.

Hebrews 10:22 applies this washing metaphorically: 'bodies washed with pure water' symbolizes the inner cleansing of a good conscience.

1 Peter 3:21 contrasts this bodily washing with baptism, which saves through a good conscience, not by removing dirt.

Leviticus 15:16 gives the identical law: a man with a seminal emission must bathe and be unclean until evening.

In Hebrews 9:10, these 'various washings' including this nighttime purification are categorized as external regulations that cannot perfect the conscience.

Leviticus 15:13 prescribes a longer purification (7 days) for a chronic discharge, contrasting with the one-day cleansing for nocturnal emission.

Ezekiel 36:25 applies the image of water cleansing to God's promise of spiritual renewal, broadening the concept beyond physical impurity.

Ephesians 5:26 uses washing of water as a metaphor for Christ's cleansing of the church, a spiritual fulfillment of OT purification.

Exodus 29:4 also commands washing with water, but for priestly consecration rather than temporary uncleanness.

Matthew 3:11 connects water baptism for repentance to the OT pattern, but John's baptism points to a greater cleansing by the Holy Spirit.